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-rw-r--r--src/common/Collision/Models/GameObjectModel.cpp216
-rw-r--r--src/common/Collision/Models/GameObjectModel.h87
-rw-r--r--src/common/Collision/Models/ModelInstance.cpp222
-rw-r--r--src/common/Collision/Models/ModelInstance.h82
-rw-r--r--src/common/Collision/Models/WorldModel.cpp585
-rw-r--r--src/common/Collision/Models/WorldModel.h129
6 files changed, 1321 insertions, 0 deletions
diff --git a/src/common/Collision/Models/GameObjectModel.cpp b/src/common/Collision/Models/GameObjectModel.cpp
new file mode 100644
index 00000000000..dbdc0554e06
--- /dev/null
+++ b/src/common/Collision/Models/GameObjectModel.cpp
@@ -0,0 +1,216 @@
+/*
+ * Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "VMapFactory.h"
+#include "VMapManager2.h"
+#include "VMapDefinitions.h"
+#include "WorldModel.h"
+#include "GameObjectModel.h"
+#include "Log.h"
+#include "Timer.h"
+
+using G3D::Vector3;
+using G3D::Ray;
+using G3D::AABox;
+
+struct GameobjectModelData
+{
+ GameobjectModelData(const std::string& name_, const AABox& box) :
+ bound(box), name(name_) { }
+
+ AABox bound;
+ std::string name;
+};
+
+typedef std::unordered_map<uint32, GameobjectModelData> ModelList;
+ModelList model_list;
+
+void LoadGameObjectModelList(std::string const& dataPath)
+{
+#ifndef NO_CORE_FUNCS
+ uint32 oldMSTime = getMSTime();
+#endif
+
+ FILE* model_list_file = fopen((dataPath + "vmaps/" + VMAP::GAMEOBJECT_MODELS).c_str(), "rb");
+ if (!model_list_file)
+ {
+ VMAP_ERROR_LOG("misc", "Unable to open '%s' file.", VMAP::GAMEOBJECT_MODELS);
+ return;
+ }
+
+ uint32 name_length, displayId;
+ char buff[500];
+ while (true)
+ {
+ Vector3 v1, v2;
+ if (fread(&displayId, sizeof(uint32), 1, model_list_file) != 1)
+ if (feof(model_list_file)) // EOF flag is only set after failed reading attempt
+ break;
+
+ if (fread(&name_length, sizeof(uint32), 1, model_list_file) != 1
+ || name_length >= sizeof(buff)
+ || fread(&buff, sizeof(char), name_length, model_list_file) != name_length
+ || fread(&v1, sizeof(Vector3), 1, model_list_file) != 1
+ || fread(&v2, sizeof(Vector3), 1, model_list_file) != 1)
+ {
+ VMAP_ERROR_LOG("misc", "File '%s' seems to be corrupted!", VMAP::GAMEOBJECT_MODELS);
+ break;
+ }
+
+ if (v1.isNaN() || v2.isNaN())
+ {
+ VMAP_ERROR_LOG("misc", "File '%s' Model '%s' has invalid v1%s v2%s values!", VMAP::GAMEOBJECT_MODELS, std::string(buff, name_length).c_str(), v1.toString().c_str(), v2.toString().c_str());
+ continue;
+ }
+
+ model_list.insert
+ (
+ ModelList::value_type(displayId, GameobjectModelData(std::string(buff, name_length), AABox(v1, v2)))
+ );
+ }
+
+ fclose(model_list_file);
+ VMAP_INFO_LOG("server.loading", ">> Loaded %u GameObject models in %u ms", uint32(model_list.size()), GetMSTimeDiffToNow(oldMSTime));
+}
+
+GameObjectModel::~GameObjectModel()
+{
+ if (iModel)
+ ((VMAP::VMapManager2*)VMAP::VMapFactory::createOrGetVMapManager())->releaseModelInstance(name);
+}
+
+bool GameObjectModel::initialize(std::unique_ptr<GameObjectModelOwnerBase> modelOwner, std::string const& dataPath)
+{
+ ModelList::const_iterator it = model_list.find(modelOwner->GetDisplayId());
+ if (it == model_list.end())
+ return false;
+
+ G3D::AABox mdl_box(it->second.bound);
+ // ignore models with no bounds
+ if (mdl_box == G3D::AABox::zero())
+ {
+ VMAP_ERROR_LOG("misc", "GameObject model %s has zero bounds, loading skipped", it->second.name.c_str());
+ return false;
+ }
+
+ iModel = ((VMAP::VMapManager2*)VMAP::VMapFactory::createOrGetVMapManager())->acquireModelInstance(dataPath + "vmaps/", it->second.name);
+
+ if (!iModel)
+ return false;
+
+ name = it->second.name;
+ iPos = modelOwner->GetPosition();
+ phasemask = modelOwner->GetPhaseMask();
+ iScale = modelOwner->GetScale();
+ iInvScale = 1.f / iScale;
+
+ G3D::Matrix3 iRotation = G3D::Matrix3::fromEulerAnglesZYX(modelOwner->GetOrientation(), 0, 0);
+ iInvRot = iRotation.inverse();
+ // transform bounding box:
+ mdl_box = AABox(mdl_box.low() * iScale, mdl_box.high() * iScale);
+ AABox rotated_bounds;
+ for (int i = 0; i < 8; ++i)
+ rotated_bounds.merge(iRotation * mdl_box.corner(i));
+
+ iBound = rotated_bounds + iPos;
+#ifdef SPAWN_CORNERS
+ // test:
+ for (int i = 0; i < 8; ++i)
+ {
+ Vector3 pos(iBound.corner(i));
+ modelOwner->DebugVisualizeCorner(pos);
+ }
+#endif
+
+ owner = std::move(modelOwner);
+ return true;
+}
+
+GameObjectModel* GameObjectModel::Create(std::unique_ptr<GameObjectModelOwnerBase> modelOwner, std::string const& dataPath)
+{
+ GameObjectModel* mdl = new GameObjectModel();
+ if (!mdl->initialize(std::move(modelOwner), dataPath))
+ {
+ delete mdl;
+ return NULL;
+ }
+
+ return mdl;
+}
+
+bool GameObjectModel::intersectRay(const G3D::Ray& ray, float& MaxDist, bool StopAtFirstHit, uint32 ph_mask) const
+{
+ if (!(phasemask & ph_mask) || !owner->IsSpawned())
+ return false;
+
+ float time = ray.intersectionTime(iBound);
+ if (time == G3D::finf())
+ return false;
+
+ // child bounds are defined in object space:
+ Vector3 p = iInvRot * (ray.origin() - iPos) * iInvScale;
+ Ray modRay(p, iInvRot * ray.direction());
+ float distance = MaxDist * iInvScale;
+ bool hit = iModel->IntersectRay(modRay, distance, StopAtFirstHit);
+ if (hit)
+ {
+ distance *= iScale;
+ MaxDist = distance;
+ }
+ return hit;
+}
+
+bool GameObjectModel::UpdatePosition()
+{
+ if (!iModel)
+ return false;
+
+ ModelList::const_iterator it = model_list.find(owner->GetDisplayId());
+ if (it == model_list.end())
+ return false;
+
+ G3D::AABox mdl_box(it->second.bound);
+ // ignore models with no bounds
+ if (mdl_box == G3D::AABox::zero())
+ {
+ VMAP_ERROR_LOG("misc", "GameObject model %s has zero bounds, loading skipped", it->second.name.c_str());
+ return false;
+ }
+
+ iPos = owner->GetPosition();
+
+ G3D::Matrix3 iRotation = G3D::Matrix3::fromEulerAnglesZYX(owner->GetOrientation(), 0, 0);
+ iInvRot = iRotation.inverse();
+ // transform bounding box:
+ mdl_box = AABox(mdl_box.low() * iScale, mdl_box.high() * iScale);
+ AABox rotated_bounds;
+ for (int i = 0; i < 8; ++i)
+ rotated_bounds.merge(iRotation * mdl_box.corner(i));
+
+ iBound = rotated_bounds + iPos;
+#ifdef SPAWN_CORNERS
+ // test:
+ for (int i = 0; i < 8; ++i)
+ {
+ Vector3 pos(iBound.corner(i));
+ owner->DebugVisualizeCorner(pos);
+ }
+#endif
+
+ return true;
+}
diff --git a/src/common/Collision/Models/GameObjectModel.h b/src/common/Collision/Models/GameObjectModel.h
new file mode 100644
index 00000000000..17669189af5
--- /dev/null
+++ b/src/common/Collision/Models/GameObjectModel.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _GAMEOBJECT_MODEL_H
+#define _GAMEOBJECT_MODEL_H
+
+#include <G3D/Matrix3.h>
+#include <G3D/Vector3.h>
+#include <G3D/AABox.h>
+#include <G3D/Ray.h>
+
+#include "Define.h"
+#include <memory>
+
+namespace VMAP
+{
+ class WorldModel;
+}
+
+class GameObject;
+struct GameObjectDisplayInfoEntry;
+
+class GameObjectModelOwnerBase
+{
+public:
+ virtual bool IsSpawned() const { return false; }
+ virtual uint32 GetDisplayId() const { return 0; }
+ virtual uint32 GetPhaseMask() const { return 0; }
+ virtual G3D::Vector3 GetPosition() const { return G3D::Vector3::zero(); }
+ virtual float GetOrientation() const { return 0.0f; }
+ virtual float GetScale() const { return 1.0f; }
+ virtual void DebugVisualizeCorner(G3D::Vector3 const& /*corner*/) const { }
+};
+
+class GameObjectModel /*, public Intersectable*/
+{
+ GameObjectModel() : phasemask(0), iInvScale(0), iScale(0), iModel(NULL) { }
+public:
+ std::string name;
+
+ const G3D::AABox& getBounds() const { return iBound; }
+
+ ~GameObjectModel();
+
+ const G3D::Vector3& getPosition() const { return iPos;}
+
+ /** Enables\disables collision. */
+ void disable() { phasemask = 0;}
+ void enable(uint32 ph_mask) { phasemask = ph_mask;}
+
+ bool isEnabled() const {return phasemask != 0;}
+
+ bool intersectRay(const G3D::Ray& Ray, float& MaxDist, bool StopAtFirstHit, uint32 ph_mask) const;
+
+ static GameObjectModel* Create(std::unique_ptr<GameObjectModelOwnerBase> modelOwner, std::string const& dataPath);
+
+ bool UpdatePosition();
+
+private:
+ bool initialize(std::unique_ptr<GameObjectModelOwnerBase> modelOwner, std::string const& dataPath);
+
+ uint32 phasemask;
+ G3D::AABox iBound;
+ G3D::Matrix3 iInvRot;
+ G3D::Vector3 iPos;
+ float iInvScale;
+ float iScale;
+ VMAP::WorldModel* iModel;
+ std::unique_ptr<GameObjectModelOwnerBase> owner;
+};
+
+#endif // _GAMEOBJECT_MODEL_H
diff --git a/src/common/Collision/Models/ModelInstance.cpp b/src/common/Collision/Models/ModelInstance.cpp
new file mode 100644
index 00000000000..45440a99666
--- /dev/null
+++ b/src/common/Collision/Models/ModelInstance.cpp
@@ -0,0 +1,222 @@
+/*
+ * Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ModelInstance.h"
+#include "WorldModel.h"
+#include "MapTree.h"
+
+using G3D::Vector3;
+using G3D::Ray;
+
+namespace VMAP
+{
+ ModelInstance::ModelInstance(const ModelSpawn &spawn, WorldModel* model): ModelSpawn(spawn), iModel(model)
+ {
+ iInvRot = G3D::Matrix3::fromEulerAnglesZYX(G3D::pif()*iRot.y/180.f, G3D::pif()*iRot.x/180.f, G3D::pif()*iRot.z/180.f).inverse();
+ iInvScale = 1.f/iScale;
+ }
+
+ bool ModelInstance::intersectRay(const G3D::Ray& pRay, float& pMaxDist, bool pStopAtFirstHit) const
+ {
+ if (!iModel)
+ {
+ //std::cout << "<object not loaded>\n";
+ return false;
+ }
+ float time = pRay.intersectionTime(iBound);
+ if (time == G3D::finf())
+ {
+// std::cout << "Ray does not hit '" << name << "'\n";
+
+ return false;
+ }
+// std::cout << "Ray crosses bound of '" << name << "'\n";
+/* std::cout << "ray from:" << pRay.origin().x << ", " << pRay.origin().y << ", " << pRay.origin().z
+ << " dir:" << pRay.direction().x << ", " << pRay.direction().y << ", " << pRay.direction().z
+ << " t/tmax:" << time << '/' << pMaxDist;
+ std::cout << "\nBound lo:" << iBound.low().x << ", " << iBound.low().y << ", " << iBound.low().z << " hi: "
+ << iBound.high().x << ", " << iBound.high().y << ", " << iBound.high().z << std::endl; */
+ // child bounds are defined in object space:
+ Vector3 p = iInvRot * (pRay.origin() - iPos) * iInvScale;
+ Ray modRay(p, iInvRot * pRay.direction());
+ float distance = pMaxDist * iInvScale;
+ bool hit = iModel->IntersectRay(modRay, distance, pStopAtFirstHit);
+ if (hit)
+ {
+ distance *= iScale;
+ pMaxDist = distance;
+ }
+ return hit;
+ }
+
+ void ModelInstance::intersectPoint(const G3D::Vector3& p, AreaInfo &info) const
+ {
+ if (!iModel)
+ {
+#ifdef VMAP_DEBUG
+ std::cout << "<object not loaded>\n";
+#endif
+ return;
+ }
+
+ // M2 files don't contain area info, only WMO files
+ if (flags & MOD_M2)
+ return;
+ if (!iBound.contains(p))
+ return;
+ // child bounds are defined in object space:
+ Vector3 pModel = iInvRot * (p - iPos) * iInvScale;
+ Vector3 zDirModel = iInvRot * Vector3(0.f, 0.f, -1.f);
+ float zDist;
+ if (iModel->IntersectPoint(pModel, zDirModel, zDist, info))
+ {
+ Vector3 modelGround = pModel + zDist * zDirModel;
+ // Transform back to world space. Note that:
+ // Mat * vec == vec * Mat.transpose()
+ // and for rotation matrices: Mat.inverse() == Mat.transpose()
+ float world_Z = ((modelGround * iInvRot) * iScale + iPos).z;
+ if (info.ground_Z < world_Z)
+ {
+ info.ground_Z = world_Z;
+ info.adtId = adtId;
+ }
+ }
+ }
+
+ bool ModelInstance::GetLocationInfo(const G3D::Vector3& p, LocationInfo &info) const
+ {
+ if (!iModel)
+ {
+#ifdef VMAP_DEBUG
+ std::cout << "<object not loaded>\n";
+#endif
+ return false;
+ }
+
+ // M2 files don't contain area info, only WMO files
+ if (flags & MOD_M2)
+ return false;
+ if (!iBound.contains(p))
+ return false;
+ // child bounds are defined in object space:
+ Vector3 pModel = iInvRot * (p - iPos) * iInvScale;
+ Vector3 zDirModel = iInvRot * Vector3(0.f, 0.f, -1.f);
+ float zDist;
+ if (iModel->GetLocationInfo(pModel, zDirModel, zDist, info))
+ {
+ Vector3 modelGround = pModel + zDist * zDirModel;
+ // Transform back to world space. Note that:
+ // Mat * vec == vec * Mat.transpose()
+ // and for rotation matrices: Mat.inverse() == Mat.transpose()
+ float world_Z = ((modelGround * iInvRot) * iScale + iPos).z;
+ if (info.ground_Z < world_Z) // hm...could it be handled automatically with zDist at intersection?
+ {
+ info.ground_Z = world_Z;
+ info.hitInstance = this;
+ return true;
+ }
+ }
+ return false;
+ }
+
+ bool ModelInstance::GetLiquidLevel(const G3D::Vector3& p, LocationInfo &info, float &liqHeight) const
+ {
+ // child bounds are defined in object space:
+ Vector3 pModel = iInvRot * (p - iPos) * iInvScale;
+ //Vector3 zDirModel = iInvRot * Vector3(0.f, 0.f, -1.f);
+ float zDist;
+ if (info.hitModel->GetLiquidLevel(pModel, zDist))
+ {
+ // calculate world height (zDist in model coords):
+ // assume WMO not tilted (wouldn't make much sense anyway)
+ liqHeight = zDist * iScale + iPos.z;
+ return true;
+ }
+ return false;
+ }
+
+ bool ModelSpawn::readFromFile(FILE* rf, ModelSpawn &spawn)
+ {
+ uint32 check = 0, nameLen;
+ check += fread(&spawn.flags, sizeof(uint32), 1, rf);
+ // EoF?
+ if (!check)
+ {
+ if (ferror(rf))
+ std::cout << "Error reading ModelSpawn!\n";
+ return false;
+ }
+ check += fread(&spawn.adtId, sizeof(uint16), 1, rf);
+ check += fread(&spawn.ID, sizeof(uint32), 1, rf);
+ check += fread(&spawn.iPos, sizeof(float), 3, rf);
+ check += fread(&spawn.iRot, sizeof(float), 3, rf);
+ check += fread(&spawn.iScale, sizeof(float), 1, rf);
+ bool has_bound = (spawn.flags & MOD_HAS_BOUND) != 0;
+ if (has_bound) // only WMOs have bound in MPQ, only available after computation
+ {
+ Vector3 bLow, bHigh;
+ check += fread(&bLow, sizeof(float), 3, rf);
+ check += fread(&bHigh, sizeof(float), 3, rf);
+ spawn.iBound = G3D::AABox(bLow, bHigh);
+ }
+ check += fread(&nameLen, sizeof(uint32), 1, rf);
+ if (check != uint32(has_bound ? 17 : 11))
+ {
+ std::cout << "Error reading ModelSpawn!\n";
+ return false;
+ }
+ char nameBuff[500];
+ if (nameLen > 500) // file names should never be that long, must be file error
+ {
+ std::cout << "Error reading ModelSpawn, file name too long!\n";
+ return false;
+ }
+ check = fread(nameBuff, sizeof(char), nameLen, rf);
+ if (check != nameLen)
+ {
+ std::cout << "Error reading ModelSpawn!\n";
+ return false;
+ }
+ spawn.name = std::string(nameBuff, nameLen);
+ return true;
+ }
+
+ bool ModelSpawn::writeToFile(FILE* wf, const ModelSpawn &spawn)
+ {
+ uint32 check=0;
+ check += fwrite(&spawn.flags, sizeof(uint32), 1, wf);
+ check += fwrite(&spawn.adtId, sizeof(uint16), 1, wf);
+ check += fwrite(&spawn.ID, sizeof(uint32), 1, wf);
+ check += fwrite(&spawn.iPos, sizeof(float), 3, wf);
+ check += fwrite(&spawn.iRot, sizeof(float), 3, wf);
+ check += fwrite(&spawn.iScale, sizeof(float), 1, wf);
+ bool has_bound = (spawn.flags & MOD_HAS_BOUND) != 0;
+ if (has_bound) // only WMOs have bound in MPQ, only available after computation
+ {
+ check += fwrite(&spawn.iBound.low(), sizeof(float), 3, wf);
+ check += fwrite(&spawn.iBound.high(), sizeof(float), 3, wf);
+ }
+ uint32 nameLen = spawn.name.length();
+ check += fwrite(&nameLen, sizeof(uint32), 1, wf);
+ if (check != uint32(has_bound ? 17 : 11)) return false;
+ check = fwrite(spawn.name.c_str(), sizeof(char), nameLen, wf);
+ if (check != nameLen) return false;
+ return true;
+ }
+
+}
diff --git a/src/common/Collision/Models/ModelInstance.h b/src/common/Collision/Models/ModelInstance.h
new file mode 100644
index 00000000000..dfdb001db0a
--- /dev/null
+++ b/src/common/Collision/Models/ModelInstance.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _MODELINSTANCE_H_
+#define _MODELINSTANCE_H_
+
+#include <G3D/Matrix3.h>
+#include <G3D/Vector3.h>
+#include <G3D/AABox.h>
+#include <G3D/Ray.h>
+
+#include "Define.h"
+
+namespace VMAP
+{
+ class WorldModel;
+ struct AreaInfo;
+ struct LocationInfo;
+
+ enum ModelFlags
+ {
+ MOD_M2 = 1,
+ MOD_WORLDSPAWN = 1<<1,
+ MOD_HAS_BOUND = 1<<2
+ };
+
+ class ModelSpawn
+ {
+ public:
+ //mapID, tileX, tileY, Flags, ID, Pos, Rot, Scale, Bound_lo, Bound_hi, name
+ uint32 flags;
+ uint16 adtId;
+ uint32 ID;
+ G3D::Vector3 iPos;
+ G3D::Vector3 iRot;
+ float iScale;
+ G3D::AABox iBound;
+ std::string name;
+ bool operator==(const ModelSpawn &other) const { return ID == other.ID; }
+ //uint32 hashCode() const { return ID; }
+ // temp?
+ const G3D::AABox& getBounds() const { return iBound; }
+
+ static bool readFromFile(FILE* rf, ModelSpawn &spawn);
+ static bool writeToFile(FILE* rw, const ModelSpawn &spawn);
+ };
+
+ class ModelInstance: public ModelSpawn
+ {
+ public:
+ ModelInstance(): iInvScale(0.0f), iModel(nullptr) { }
+ ModelInstance(const ModelSpawn &spawn, WorldModel* model);
+ void setUnloaded() { iModel = nullptr; }
+ bool intersectRay(const G3D::Ray& pRay, float& pMaxDist, bool pStopAtFirstHit) const;
+ void intersectPoint(const G3D::Vector3& p, AreaInfo &info) const;
+ bool GetLocationInfo(const G3D::Vector3& p, LocationInfo &info) const;
+ bool GetLiquidLevel(const G3D::Vector3& p, LocationInfo &info, float &liqHeight) const;
+ protected:
+ G3D::Matrix3 iInvRot;
+ float iInvScale;
+ WorldModel* iModel;
+ public:
+ WorldModel* getWorldModel();
+ };
+} // namespace VMAP
+
+#endif // _MODELINSTANCE
diff --git a/src/common/Collision/Models/WorldModel.cpp b/src/common/Collision/Models/WorldModel.cpp
new file mode 100644
index 00000000000..86ab9366c71
--- /dev/null
+++ b/src/common/Collision/Models/WorldModel.cpp
@@ -0,0 +1,585 @@
+/*
+ * Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "WorldModel.h"
+#include "VMapDefinitions.h"
+#include "MapTree.h"
+
+using G3D::Vector3;
+using G3D::Ray;
+
+template<> struct BoundsTrait<VMAP::GroupModel>
+{
+ static void getBounds(const VMAP::GroupModel& obj, G3D::AABox& out) { out = obj.GetBound(); }
+};
+
+namespace VMAP
+{
+ bool IntersectTriangle(const MeshTriangle &tri, std::vector<Vector3>::const_iterator points, const G3D::Ray &ray, float &distance)
+ {
+ static const float EPS = 1e-5f;
+
+ // See RTR2 ch. 13.7 for the algorithm.
+
+ const Vector3 e1 = points[tri.idx1] - points[tri.idx0];
+ const Vector3 e2 = points[tri.idx2] - points[tri.idx0];
+ const Vector3 p(ray.direction().cross(e2));
+ const float a = e1.dot(p);
+
+ if (std::fabs(a) < EPS) {
+ // Determinant is ill-conditioned; abort early
+ return false;
+ }
+
+ const float f = 1.0f / a;
+ const Vector3 s(ray.origin() - points[tri.idx0]);
+ const float u = f * s.dot(p);
+
+ if ((u < 0.0f) || (u > 1.0f)) {
+ // We hit the plane of the m_geometry, but outside the m_geometry
+ return false;
+ }
+
+ const Vector3 q(s.cross(e1));
+ const float v = f * ray.direction().dot(q);
+
+ if ((v < 0.0f) || ((u + v) > 1.0f)) {
+ // We hit the plane of the triangle, but outside the triangle
+ return false;
+ }
+
+ const float t = f * e2.dot(q);
+
+ if ((t > 0.0f) && (t < distance))
+ {
+ // This is a new hit, closer than the previous one
+ distance = t;
+
+ /* baryCoord[0] = 1.0 - u - v;
+ baryCoord[1] = u;
+ baryCoord[2] = v; */
+
+ return true;
+ }
+ // This hit is after the previous hit, so ignore it
+ return false;
+ }
+
+ class TriBoundFunc
+ {
+ public:
+ TriBoundFunc(std::vector<Vector3> &vert): vertices(vert.begin()) { }
+ void operator()(const MeshTriangle &tri, G3D::AABox &out) const
+ {
+ G3D::Vector3 lo = vertices[tri.idx0];
+ G3D::Vector3 hi = lo;
+
+ lo = (lo.min(vertices[tri.idx1])).min(vertices[tri.idx2]);
+ hi = (hi.max(vertices[tri.idx1])).max(vertices[tri.idx2]);
+
+ out = G3D::AABox(lo, hi);
+ }
+ protected:
+ const std::vector<Vector3>::const_iterator vertices;
+ };
+
+ // ===================== WmoLiquid ==================================
+
+ WmoLiquid::WmoLiquid(uint32 width, uint32 height, const Vector3 &corner, uint32 type):
+ iTilesX(width), iTilesY(height), iCorner(corner), iType(type)
+ {
+ iHeight = new float[(width+1)*(height+1)];
+ iFlags = new uint8[width*height];
+ }
+
+ WmoLiquid::WmoLiquid(const WmoLiquid &other): iHeight(nullptr), iFlags(nullptr)
+ {
+ *this = other; // use assignment operator...
+ }
+
+ WmoLiquid::~WmoLiquid()
+ {
+ delete[] iHeight;
+ delete[] iFlags;
+ }
+
+ WmoLiquid& WmoLiquid::operator=(const WmoLiquid &other)
+ {
+ if (this == &other)
+ return *this;
+ iTilesX = other.iTilesX;
+ iTilesY = other.iTilesY;
+ iCorner = other.iCorner;
+ iType = other.iType;
+ delete iHeight;
+ delete iFlags;
+ if (other.iHeight)
+ {
+ iHeight = new float[(iTilesX+1)*(iTilesY+1)];
+ memcpy(iHeight, other.iHeight, (iTilesX+1)*(iTilesY+1)*sizeof(float));
+ }
+ else
+ iHeight = nullptr;
+ if (other.iFlags)
+ {
+ iFlags = new uint8[iTilesX * iTilesY];
+ memcpy(iFlags, other.iFlags, iTilesX * iTilesY);
+ }
+ else
+ iFlags = nullptr;
+ return *this;
+ }
+
+ bool WmoLiquid::GetLiquidHeight(const Vector3 &pos, float &liqHeight) const
+ {
+ float tx_f = (pos.x - iCorner.x)/LIQUID_TILE_SIZE;
+ uint32 tx = uint32(tx_f);
+ if (tx_f < 0.0f || tx >= iTilesX)
+ return false;
+ float ty_f = (pos.y - iCorner.y)/LIQUID_TILE_SIZE;
+ uint32 ty = uint32(ty_f);
+ if (ty_f < 0.0f || ty >= iTilesY)
+ return false;
+
+ // check if tile shall be used for liquid level
+ // checking for 0x08 *might* be enough, but disabled tiles always are 0x?F:
+ if ((iFlags[tx + ty*iTilesX] & 0x0F) == 0x0F)
+ return false;
+
+ // (dx, dy) coordinates inside tile, in [0, 1]^2
+ float dx = tx_f - (float)tx;
+ float dy = ty_f - (float)ty;
+
+ /* Tesselate tile to two triangles (not sure if client does it exactly like this)
+
+ ^ dy
+ |
+ 1 x---------x (1, 1)
+ | (b) / |
+ | / |
+ | / |
+ | / (a) |
+ x---------x---> dx
+ 0 1
+ */
+
+ const uint32 rowOffset = iTilesX + 1;
+ if (dx > dy) // case (a)
+ {
+ float sx = iHeight[tx+1 + ty * rowOffset] - iHeight[tx + ty * rowOffset];
+ float sy = iHeight[tx+1 + (ty+1) * rowOffset] - iHeight[tx+1 + ty * rowOffset];
+ liqHeight = iHeight[tx + ty * rowOffset] + dx * sx + dy * sy;
+ }
+ else // case (b)
+ {
+ float sx = iHeight[tx+1 + (ty+1) * rowOffset] - iHeight[tx + (ty+1) * rowOffset];
+ float sy = iHeight[tx + (ty+1) * rowOffset] - iHeight[tx + ty * rowOffset];
+ liqHeight = iHeight[tx + ty * rowOffset] + dx * sx + dy * sy;
+ }
+ return true;
+ }
+
+ uint32 WmoLiquid::GetFileSize()
+ {
+ return 2 * sizeof(uint32) +
+ sizeof(Vector3) +
+ (iTilesX + 1)*(iTilesY + 1) * sizeof(float) +
+ iTilesX * iTilesY;
+ }
+
+ bool WmoLiquid::writeToFile(FILE* wf)
+ {
+ bool result = false;
+ if (fwrite(&iTilesX, sizeof(uint32), 1, wf) == 1 &&
+ fwrite(&iTilesY, sizeof(uint32), 1, wf) == 1 &&
+ fwrite(&iCorner, sizeof(Vector3), 1, wf) == 1 &&
+ fwrite(&iType, sizeof(uint32), 1, wf) == 1)
+ {
+ uint32 size = (iTilesX + 1) * (iTilesY + 1);
+ if (fwrite(iHeight, sizeof(float), size, wf) == size)
+ {
+ size = iTilesX*iTilesY;
+ result = fwrite(iFlags, sizeof(uint8), size, wf) == size;
+ }
+ }
+
+ return result;
+ }
+
+ bool WmoLiquid::readFromFile(FILE* rf, WmoLiquid* &out)
+ {
+ bool result = false;
+ WmoLiquid* liquid = new WmoLiquid();
+
+ if (fread(&liquid->iTilesX, sizeof(uint32), 1, rf) == 1 &&
+ fread(&liquid->iTilesY, sizeof(uint32), 1, rf) == 1 &&
+ fread(&liquid->iCorner, sizeof(Vector3), 1, rf) == 1 &&
+ fread(&liquid->iType, sizeof(uint32), 1, rf) == 1)
+ {
+ uint32 size = (liquid->iTilesX + 1) * (liquid->iTilesY + 1);
+ liquid->iHeight = new float[size];
+ if (fread(liquid->iHeight, sizeof(float), size, rf) == size)
+ {
+ size = liquid->iTilesX * liquid->iTilesY;
+ liquid->iFlags = new uint8[size];
+ result = fread(liquid->iFlags, sizeof(uint8), size, rf) == size;
+ }
+ }
+
+ if (!result)
+ delete liquid;
+ else
+ out = liquid;
+
+ return result;
+ }
+
+ // ===================== GroupModel ==================================
+
+ GroupModel::GroupModel(const GroupModel &other):
+ iBound(other.iBound), iMogpFlags(other.iMogpFlags), iGroupWMOID(other.iGroupWMOID),
+ vertices(other.vertices), triangles(other.triangles), meshTree(other.meshTree), iLiquid(nullptr)
+ {
+ if (other.iLiquid)
+ iLiquid = new WmoLiquid(*other.iLiquid);
+ }
+
+ void GroupModel::setMeshData(std::vector<Vector3> &vert, std::vector<MeshTriangle> &tri)
+ {
+ vertices.swap(vert);
+ triangles.swap(tri);
+ TriBoundFunc bFunc(vertices);
+ meshTree.build(triangles, bFunc);
+ }
+
+ bool GroupModel::writeToFile(FILE* wf)
+ {
+ bool result = true;
+ uint32 chunkSize, count;
+
+ if (result && fwrite(&iBound, sizeof(G3D::AABox), 1, wf) != 1) result = false;
+ if (result && fwrite(&iMogpFlags, sizeof(uint32), 1, wf) != 1) result = false;
+ if (result && fwrite(&iGroupWMOID, sizeof(uint32), 1, wf) != 1) result = false;
+
+ // write vertices
+ if (result && fwrite("VERT", 1, 4, wf) != 4) result = false;
+ count = vertices.size();
+ chunkSize = sizeof(uint32)+ sizeof(Vector3)*count;
+ if (result && fwrite(&chunkSize, sizeof(uint32), 1, wf) != 1) result = false;
+ if (result && fwrite(&count, sizeof(uint32), 1, wf) != 1) result = false;
+ if (!count) // models without (collision) geometry end here, unsure if they are useful
+ return result;
+ if (result && fwrite(&vertices[0], sizeof(Vector3), count, wf) != count) result = false;
+
+ // write triangle mesh
+ if (result && fwrite("TRIM", 1, 4, wf) != 4) result = false;
+ count = triangles.size();
+ chunkSize = sizeof(uint32)+ sizeof(MeshTriangle)*count;
+ if (result && fwrite(&chunkSize, sizeof(uint32), 1, wf) != 1) result = false;
+ if (result && fwrite(&count, sizeof(uint32), 1, wf) != 1) result = false;
+ if (result && fwrite(&triangles[0], sizeof(MeshTriangle), count, wf) != count) result = false;
+
+ // write mesh BIH
+ if (result && fwrite("MBIH", 1, 4, wf) != 4) result = false;
+ if (result) result = meshTree.writeToFile(wf);
+
+ // write liquid data
+ if (result && fwrite("LIQU", 1, 4, wf) != 4) result = false;
+ if (!iLiquid)
+ {
+ chunkSize = 0;
+ if (result && fwrite(&chunkSize, sizeof(uint32), 1, wf) != 1) result = false;
+ return result;
+ }
+ chunkSize = iLiquid->GetFileSize();
+ if (result && fwrite(&chunkSize, sizeof(uint32), 1, wf) != 1) result = false;
+ if (result) result = iLiquid->writeToFile(wf);
+
+ return result;
+ }
+
+ bool GroupModel::readFromFile(FILE* rf)
+ {
+ char chunk[8];
+ bool result = true;
+ uint32 chunkSize = 0;
+ uint32 count = 0;
+ triangles.clear();
+ vertices.clear();
+ delete iLiquid;
+ iLiquid = NULL;
+
+ if (result && fread(&iBound, sizeof(G3D::AABox), 1, rf) != 1) result = false;
+ if (result && fread(&iMogpFlags, sizeof(uint32), 1, rf) != 1) result = false;
+ if (result && fread(&iGroupWMOID, sizeof(uint32), 1, rf) != 1) result = false;
+
+ // read vertices
+ if (result && !readChunk(rf, chunk, "VERT", 4)) result = false;
+ if (result && fread(&chunkSize, sizeof(uint32), 1, rf) != 1) result = false;
+ if (result && fread(&count, sizeof(uint32), 1, rf) != 1) result = false;
+ if (!count) // models without (collision) geometry end here, unsure if they are useful
+ return result;
+ if (result) vertices.resize(count);
+ if (result && fread(&vertices[0], sizeof(Vector3), count, rf) != count) result = false;
+
+ // read triangle mesh
+ if (result && !readChunk(rf, chunk, "TRIM", 4)) result = false;
+ if (result && fread(&chunkSize, sizeof(uint32), 1, rf) != 1) result = false;
+ if (result && fread(&count, sizeof(uint32), 1, rf) != 1) result = false;
+ if (result) triangles.resize(count);
+ if (result && fread(&triangles[0], sizeof(MeshTriangle), count, rf) != count) result = false;
+
+ // read mesh BIH
+ if (result && !readChunk(rf, chunk, "MBIH", 4)) result = false;
+ if (result) result = meshTree.readFromFile(rf);
+
+ // write liquid data
+ if (result && !readChunk(rf, chunk, "LIQU", 4)) result = false;
+ if (result && fread(&chunkSize, sizeof(uint32), 1, rf) != 1) result = false;
+ if (result && chunkSize > 0)
+ result = WmoLiquid::readFromFile(rf, iLiquid);
+ return result;
+ }
+
+ struct GModelRayCallback
+ {
+ GModelRayCallback(const std::vector<MeshTriangle> &tris, const std::vector<Vector3> &vert):
+ vertices(vert.begin()), triangles(tris.begin()), hit(false) { }
+ bool operator()(const G3D::Ray& ray, uint32 entry, float& distance, bool /*pStopAtFirstHit*/)
+ {
+ bool result = IntersectTriangle(triangles[entry], vertices, ray, distance);
+ if (result) hit=true;
+ return hit;
+ }
+ std::vector<Vector3>::const_iterator vertices;
+ std::vector<MeshTriangle>::const_iterator triangles;
+ bool hit;
+ };
+
+ bool GroupModel::IntersectRay(const G3D::Ray &ray, float &distance, bool stopAtFirstHit) const
+ {
+ if (triangles.empty())
+ return false;
+
+ GModelRayCallback callback(triangles, vertices);
+ meshTree.intersectRay(ray, callback, distance, stopAtFirstHit);
+ return callback.hit;
+ }
+
+ bool GroupModel::IsInsideObject(const Vector3 &pos, const Vector3 &down, float &z_dist) const
+ {
+ if (triangles.empty() || !iBound.contains(pos))
+ return false;
+ GModelRayCallback callback(triangles, vertices);
+ Vector3 rPos = pos - 0.1f * down;
+ float dist = G3D::finf();
+ G3D::Ray ray(rPos, down);
+ bool hit = IntersectRay(ray, dist, false);
+ if (hit)
+ z_dist = dist - 0.1f;
+ return hit;
+ }
+
+ bool GroupModel::GetLiquidLevel(const Vector3 &pos, float &liqHeight) const
+ {
+ if (iLiquid)
+ return iLiquid->GetLiquidHeight(pos, liqHeight);
+ return false;
+ }
+
+ uint32 GroupModel::GetLiquidType() const
+ {
+ if (iLiquid)
+ return iLiquid->GetType();
+ return 0;
+ }
+
+ // ===================== WorldModel ==================================
+
+ void WorldModel::setGroupModels(std::vector<GroupModel> &models)
+ {
+ groupModels.swap(models);
+ groupTree.build(groupModels, BoundsTrait<GroupModel>::getBounds, 1);
+ }
+
+ struct WModelRayCallBack
+ {
+ WModelRayCallBack(const std::vector<GroupModel> &mod): models(mod.begin()), hit(false) { }
+ bool operator()(const G3D::Ray& ray, uint32 entry, float& distance, bool pStopAtFirstHit)
+ {
+ bool result = models[entry].IntersectRay(ray, distance, pStopAtFirstHit);
+ if (result) hit=true;
+ return hit;
+ }
+ std::vector<GroupModel>::const_iterator models;
+ bool hit;
+ };
+
+ bool WorldModel::IntersectRay(const G3D::Ray &ray, float &distance, bool stopAtFirstHit) const
+ {
+ // small M2 workaround, maybe better make separate class with virtual intersection funcs
+ // in any case, there's no need to use a bound tree if we only have one submodel
+ if (groupModels.size() == 1)
+ return groupModels[0].IntersectRay(ray, distance, stopAtFirstHit);
+
+ WModelRayCallBack isc(groupModels);
+ groupTree.intersectRay(ray, isc, distance, stopAtFirstHit);
+ return isc.hit;
+ }
+
+ class WModelAreaCallback {
+ public:
+ WModelAreaCallback(const std::vector<GroupModel> &vals, const Vector3 &down):
+ prims(vals.begin()), hit(vals.end()), minVol(G3D::finf()), zDist(G3D::finf()), zVec(down) { }
+ std::vector<GroupModel>::const_iterator prims;
+ std::vector<GroupModel>::const_iterator hit;
+ float minVol;
+ float zDist;
+ Vector3 zVec;
+ void operator()(const Vector3& point, uint32 entry)
+ {
+ float group_Z;
+ //float pVol = prims[entry].GetBound().volume();
+ //if (pVol < minVol)
+ //{
+ /* if (prims[entry].iBound.contains(point)) */
+ if (prims[entry].IsInsideObject(point, zVec, group_Z))
+ {
+ //minVol = pVol;
+ //hit = prims + entry;
+ if (group_Z < zDist)
+ {
+ zDist = group_Z;
+ hit = prims + entry;
+ }
+#ifdef VMAP_DEBUG
+ const GroupModel &gm = prims[entry];
+ printf("%10u %8X %7.3f, %7.3f, %7.3f | %7.3f, %7.3f, %7.3f | z=%f, p_z=%f\n", gm.GetWmoID(), gm.GetMogpFlags(),
+ gm.GetBound().low().x, gm.GetBound().low().y, gm.GetBound().low().z,
+ gm.GetBound().high().x, gm.GetBound().high().y, gm.GetBound().high().z, group_Z, point.z);
+#endif
+ }
+ //}
+ //std::cout << "trying to intersect '" << prims[entry].name << "'\n";
+ }
+ };
+
+ bool WorldModel::IntersectPoint(const G3D::Vector3 &p, const G3D::Vector3 &down, float &dist, AreaInfo &info) const
+ {
+ if (groupModels.empty())
+ return false;
+
+ WModelAreaCallback callback(groupModels, down);
+ groupTree.intersectPoint(p, callback);
+ if (callback.hit != groupModels.end())
+ {
+ info.rootId = RootWMOID;
+ info.groupId = callback.hit->GetWmoID();
+ info.flags = callback.hit->GetMogpFlags();
+ info.result = true;
+ dist = callback.zDist;
+ return true;
+ }
+ return false;
+ }
+
+ bool WorldModel::GetLocationInfo(const G3D::Vector3 &p, const G3D::Vector3 &down, float &dist, LocationInfo &info) const
+ {
+ if (groupModels.empty())
+ return false;
+
+ WModelAreaCallback callback(groupModels, down);
+ groupTree.intersectPoint(p, callback);
+ if (callback.hit != groupModels.end())
+ {
+ info.hitModel = &(*callback.hit);
+ dist = callback.zDist;
+ return true;
+ }
+ return false;
+ }
+
+ bool WorldModel::writeFile(const std::string &filename)
+ {
+ FILE* wf = fopen(filename.c_str(), "wb");
+ if (!wf)
+ return false;
+
+ uint32 chunkSize, count;
+ bool result = fwrite(VMAP_MAGIC, 1, 8, wf) == 8;
+ if (result && fwrite("WMOD", 1, 4, wf) != 4) result = false;
+ chunkSize = sizeof(uint32) + sizeof(uint32);
+ if (result && fwrite(&chunkSize, sizeof(uint32), 1, wf) != 1) result = false;
+ if (result && fwrite(&RootWMOID, sizeof(uint32), 1, wf) != 1) result = false;
+
+ // write group models
+ count=groupModels.size();
+ if (count)
+ {
+ if (result && fwrite("GMOD", 1, 4, wf) != 4) result = false;
+ //chunkSize = sizeof(uint32)+ sizeof(GroupModel)*count;
+ //if (result && fwrite(&chunkSize, sizeof(uint32), 1, wf) != 1) result = false;
+ if (result && fwrite(&count, sizeof(uint32), 1, wf) != 1) result = false;
+ for (uint32 i=0; i<groupModels.size() && result; ++i)
+ result = groupModels[i].writeToFile(wf);
+
+ // write group BIH
+ if (result && fwrite("GBIH", 1, 4, wf) != 4) result = false;
+ if (result) result = groupTree.writeToFile(wf);
+ }
+
+ fclose(wf);
+ return result;
+ }
+
+ bool WorldModel::readFile(const std::string &filename)
+ {
+ FILE* rf = fopen(filename.c_str(), "rb");
+ if (!rf)
+ return false;
+
+ bool result = true;
+ uint32 chunkSize = 0;
+ uint32 count = 0;
+ char chunk[8]; // Ignore the added magic header
+ if (!readChunk(rf, chunk, VMAP_MAGIC, 8)) result = false;
+
+ if (result && !readChunk(rf, chunk, "WMOD", 4)) result = false;
+ if (result && fread(&chunkSize, sizeof(uint32), 1, rf) != 1) result = false;
+ if (result && fread(&RootWMOID, sizeof(uint32), 1, rf) != 1) result = false;
+
+ // read group models
+ if (result && readChunk(rf, chunk, "GMOD", 4))
+ {
+ //if (fread(&chunkSize, sizeof(uint32), 1, rf) != 1) result = false;
+
+ if (result && fread(&count, sizeof(uint32), 1, rf) != 1) result = false;
+ if (result) groupModels.resize(count);
+ //if (result && fread(&groupModels[0], sizeof(GroupModel), count, rf) != count) result = false;
+ for (uint32 i=0; i<count && result; ++i)
+ result = groupModels[i].readFromFile(rf);
+
+ // read group BIH
+ if (result && !readChunk(rf, chunk, "GBIH", 4)) result = false;
+ if (result) result = groupTree.readFromFile(rf);
+ }
+
+ fclose(rf);
+ return result;
+ }
+}
diff --git a/src/common/Collision/Models/WorldModel.h b/src/common/Collision/Models/WorldModel.h
new file mode 100644
index 00000000000..6a901a59fdf
--- /dev/null
+++ b/src/common/Collision/Models/WorldModel.h
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _WORLDMODEL_H
+#define _WORLDMODEL_H
+
+#include <G3D/HashTrait.h>
+#include <G3D/Vector3.h>
+#include <G3D/AABox.h>
+#include <G3D/Ray.h>
+#include "BoundingIntervalHierarchy.h"
+
+#include "Define.h"
+
+namespace VMAP
+{
+ class TreeNode;
+ struct AreaInfo;
+ struct LocationInfo;
+
+ class MeshTriangle
+ {
+ public:
+ MeshTriangle() : idx0(0), idx1(0), idx2(0) { }
+ MeshTriangle(uint32 na, uint32 nb, uint32 nc): idx0(na), idx1(nb), idx2(nc) { }
+
+ uint32 idx0;
+ uint32 idx1;
+ uint32 idx2;
+ };
+
+ class WmoLiquid
+ {
+ public:
+ WmoLiquid(uint32 width, uint32 height, const G3D::Vector3 &corner, uint32 type);
+ WmoLiquid(const WmoLiquid &other);
+ ~WmoLiquid();
+ WmoLiquid& operator=(const WmoLiquid &other);
+ bool GetLiquidHeight(const G3D::Vector3 &pos, float &liqHeight) const;
+ uint32 GetType() const { return iType; }
+ float *GetHeightStorage() { return iHeight; }
+ uint8 *GetFlagsStorage() { return iFlags; }
+ uint32 GetFileSize();
+ bool writeToFile(FILE* wf);
+ static bool readFromFile(FILE* rf, WmoLiquid* &liquid);
+ private:
+ WmoLiquid() : iTilesX(0), iTilesY(0), iCorner(), iType(0), iHeight(NULL), iFlags(NULL) { }
+ uint32 iTilesX; //!< number of tiles in x direction, each
+ uint32 iTilesY;
+ G3D::Vector3 iCorner; //!< the lower corner
+ uint32 iType; //!< liquid type
+ float *iHeight; //!< (tilesX + 1)*(tilesY + 1) height values
+ uint8 *iFlags; //!< info if liquid tile is used
+ public:
+ void getPosInfo(uint32 &tilesX, uint32 &tilesY, G3D::Vector3 &corner) const;
+ };
+
+ /*! holding additional info for WMO group files */
+ class GroupModel
+ {
+ public:
+ GroupModel() : iBound(), iMogpFlags(0), iGroupWMOID(0), iLiquid(NULL) { }
+ GroupModel(const GroupModel &other);
+ GroupModel(uint32 mogpFlags, uint32 groupWMOID, const G3D::AABox &bound):
+ iBound(bound), iMogpFlags(mogpFlags), iGroupWMOID(groupWMOID), iLiquid(NULL) { }
+ ~GroupModel() { delete iLiquid; }
+
+ //! pass mesh data to object and create BIH. Passed vectors get get swapped with old geometry!
+ void setMeshData(std::vector<G3D::Vector3> &vert, std::vector<MeshTriangle> &tri);
+ void setLiquidData(WmoLiquid*& liquid) { iLiquid = liquid; liquid = NULL; }
+ bool IntersectRay(const G3D::Ray &ray, float &distance, bool stopAtFirstHit) const;
+ bool IsInsideObject(const G3D::Vector3 &pos, const G3D::Vector3 &down, float &z_dist) const;
+ bool GetLiquidLevel(const G3D::Vector3 &pos, float &liqHeight) const;
+ uint32 GetLiquidType() const;
+ bool writeToFile(FILE* wf);
+ bool readFromFile(FILE* rf);
+ const G3D::AABox& GetBound() const { return iBound; }
+ uint32 GetMogpFlags() const { return iMogpFlags; }
+ uint32 GetWmoID() const { return iGroupWMOID; }
+ protected:
+ G3D::AABox iBound;
+ uint32 iMogpFlags;// 0x8 outdor; 0x2000 indoor
+ uint32 iGroupWMOID;
+ std::vector<G3D::Vector3> vertices;
+ std::vector<MeshTriangle> triangles;
+ BIH meshTree;
+ WmoLiquid* iLiquid;
+ public:
+ void getMeshData(std::vector<G3D::Vector3> &vertices, std::vector<MeshTriangle> &triangles, WmoLiquid* &liquid);
+ };
+ /*! Holds a model (converted M2 or WMO) in its original coordinate space */
+ class WorldModel
+ {
+ public:
+ WorldModel(): RootWMOID(0) { }
+
+ //! pass group models to WorldModel and create BIH. Passed vector is swapped with old geometry!
+ void setGroupModels(std::vector<GroupModel> &models);
+ void setRootWmoID(uint32 id) { RootWMOID = id; }
+ bool IntersectRay(const G3D::Ray &ray, float &distance, bool stopAtFirstHit) const;
+ bool IntersectPoint(const G3D::Vector3 &p, const G3D::Vector3 &down, float &dist, AreaInfo &info) const;
+ bool GetLocationInfo(const G3D::Vector3 &p, const G3D::Vector3 &down, float &dist, LocationInfo &info) const;
+ bool writeFile(const std::string &filename);
+ bool readFile(const std::string &filename);
+ protected:
+ uint32 RootWMOID;
+ std::vector<GroupModel> groupModels;
+ BIH groupTree;
+ public:
+ void getGroupModels(std::vector<GroupModel> &groupModels);
+ };
+} // namespace VMAP
+
+#endif // _WORLDMODEL_H